6.1. Write a program that read a digit and display by spelling.

#include<stdio.h> 
#include<conio.h>
void main ()
{
int n;
clrscr();
printf ("Enter any digit: ");
scanf("%d", &n);
switch (n)
case 0:
printf ("Zero");
break;
case 1:
printf("One");
break;
case 2:
printf("Two");
break;
case 3:
printf("Three");
break;
case 4:
printf("Four");
break;
case 5:
printf("Five");
break;
case 6:
printf ("Six");
break;
case 7:
printf ("Seven");
break;
case 8:
printf("Eight");
break;
case 9:
printf ("Nine");
break;
default:
printf("Not a single digit.");
}
getch();
}